
let express = require('express');
 
var app = express();
app.use(express.static('public')) 

app.get('/s1',function(req,res){
	res.send({
        s1: 1,
        s11: 2,
    })
})
 
var server = app.listen(8081,function(){
		console.log("访问http://localhost:8081");
});